Finding the Fourth Proportional to 1,692,637.65, 2,335,842.77 and 928,696.68
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Solution
The fourth proportional to 1,692,637.65, 2,335,842.77 and 928,696.68 is: 1,281,602.96
Step by Step Solution
- Step 1: Write the proportion equation
1,692,637.65 : 2,335,842.77 = 928,696.68 : x - Step 2: Convert to fraction form
1,692,637.65/2,335,842.77 = 928,696.68/x - Step 3: Cross multiply
1,692,637.65x = 2,335,842.77 × 928,696.68 - Step 4: Simplify right side
1,692,637.65x = 2,169,289,420,857.52 - Step 5: Solve for x
x = 2,169,289,420,857.52/1,692,637.65 - Step 6: Final answer
x = 1,281,602.96
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.